Home / 539,136,606.20-808,704,909.30-449,557,086.20

Finding the Fourth Proportional to 539,136,606.20, 808,704,909.30 and 449,557,086.20

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Solution

The fourth proportional to 539,136,606.20, 808,704,909.30 and 449,557,086.20 is: 674,335,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,606.20 : 808,704,909.30 = 449,557,086.20 : x
  2. Step 2: Convert to fraction form
    539,136,606.20/808,704,909.30 = 449,557,086.20/x
  3. Step 3: Cross multiply
    539,136,606.20x = 808,704,909.30 × 449,557,086.20
  4. Step 4: Simplify right side
    539,136,606.20x = 363,559,022,620,543,232
  5. Step 5: Solve for x
    x = 363,559,022,620,543,232/539,136,606.20
  6. Step 6: Final answer
    x = 674,335,629.30

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Double scale
Find fourth proportional to 539,136,607.20, 808,704,910.80 and 449,557,087.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.